I have a 95' fv-265 with the same engine/drive. I went from a wimpy 18.25x15p up to a 18.5x19p wow what a difference! Gained 4 mph cruising at 3800 and top speed 37 mph at 4800 rpm. Was 23 cruise and 33mph at 5100 rpm which is too many "R's" wish I went up to 18.5 X 21p
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